// Tencent is pleased to support the open source community by making ncnn available.
//
// Copyright (C) 2021 THL A29 Limited, a Tencent company. All rights reserved.
//
// Licensed under the BSD 3-Clause License (the "License"); you may not use this file except
// in compliance with the License. You may obtain a copy of the License at
//
// https://opensource.org/licenses/BSD-3-Clause
//
// Unless required by applicable law or agreed to in writing, software distributed
// under the License is distributed on an "AS IS" BASIS, WITHOUT WARRANTIES OR
// CONDITIONS OF ANY KIND, either express or implied. See the License for the
// specific language governing permissions and limitations under the License.

#ifndef NANODET_H
#define NANODET_H

#include <opencv2/opencv.hpp>

#include <net.h>
#include <benchmark.h>

class NanoDet
{
public:
    NanoDet();

    int load(AAssetManager* mgr, bool use_gpu = false);

    int detect(const cv::Mat& bgr, cv::Mat& mask, int& t);

    int draw(cv::Mat& bgr, cv::Mat& mask, int& t);

private:
    ncnn::Net nanodet;
    ncnn::UnlockedPoolAllocator blob_pool_allocator;
    ncnn::PoolAllocator workspace_pool_allocator;

    const float mean[3] = { 127.5f, 127.5f, 127.5f };
    const float norm[3] = { 1.0f / 127.5f, 1.0f / 127.5f, 1.0f / 127.5f };
    const float norm2[3] = { 255.0f, 255.0f, 255.0f };
};

#endif // NANODET_H
